If you cannot click on the image above you can find the PDF of the report here:
http://www.iwh-halle.de/d/publik/iwhonline/io_2015-07.pdf
If you cannot click on the image above you can find the PDF of the report here:
http://www.iwh-halle.de/d/publik/iwhonline/io_2015-07.pdf